diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
---|---|---|
committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-at91/include/mach/board.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-at91/include/mach/board.h')
-rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h new file mode 100644 index 00000000000..acd60f2a072 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/board.h @@ -0,0 +1,172 @@ +/* + * arch/arm/mach-at91/include/mach/board.h + * + * Copyright (C) 2005 HP Labs + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * These are data structures found in platform_device.dev.platform_data, + * and describing board-specific data needed by drivers. For example, + * which pin is used for a given GPIO role. + * + * In 2.6, drivers should strongly avoid board-specific knowledge so + * that supporting new boards normally won't require driver patches. + * Most board-specific knowledge should be in arch/.../board-*.c files. + */ + +#ifndef __ASM_ARCH_BOARD_H +#define __ASM_ARCH_BOARD_H + +#include <linux/mtd/partitions.h> +#include <linux/device.h> +#include <linux/i2c.h> +#include <linux/leds.h> +#include <linux/spi/spi.h> +#include <linux/usb/atmel_usba_udc.h> + + /* USB Device */ +struct at91_udc_data { + u8 vbus_pin; /* high == host powering us */ + u8 pullup_pin; /* active == D+ pulled up */ + u8 pullup_active_low; /* true == pullup_pin is active low */ +}; +extern void __init at91_add_device_udc(struct at91_udc_data *data); + + /* USB High Speed Device */ +extern void __init at91_add_device_usba(struct usba_platform_data *data); + + /* Compact Flash */ +struct at91_cf_data { + u8 irq_pin; /* I/O IRQ */ + u8 det_pin; /* Card detect */ + u8 vcc_pin; /* power switching */ + u8 rst_pin; /* card reset */ + u8 chipselect; /* EBI Chip Select number */ +}; +extern void __init at91_add_device_cf(struct at91_cf_data *data); + + /* MMC / SD */ +struct at91_mmc_data { + u8 det_pin; /* card detect IRQ */ + unsigned slot_b:1; /* uses Slot B */ + unsigned wire4:1; /* (SD) supports DAT0..DAT3 */ + u8 wp_pin; /* (SD) writeprotect detect */ + u8 vcc_pin; /* power switching (high == on) */ +}; +extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data); + + /* Ethernet (EMAC & MACB) */ +struct at91_eth_data { + u32 phy_mask; + u8 phy_irq_pin; /* PHY IRQ */ + u8 is_rmii; /* using RMII interface? */ +}; +extern void __init at91_add_device_eth(struct at91_eth_data *data); + +#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) +#define eth_platform_data at91_eth_data +#endif + + /* USB Host */ +struct at91_usbh_data { + u8 ports; /* number of ports on root hub */ + u8 vbus_pin[]; /* port power-control pin */ +}; +extern void __init at91_add_device_usbh(struct at91_usbh_data *data); + + /* NAND / SmartMedia */ +struct atmel_nand_data { + u8 enable_pin; /* chip enable */ + u8 det_pin; /* card detect */ + u8 rdy_pin; /* ready/busy */ + u8 ale; /* address line number connected to ALE */ + u8 cle; /* address line number connected to CLE */ + u8 bus_width_16; /* buswidth is 16 bit */ + struct mtd_partition* (*partition_info)(int, int*); +}; +extern void __init at91_add_device_nand(struct atmel_nand_data *data); + + /* I2C*/ +extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices); + + /* SPI */ +extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices); + + /* Serial */ +#define ATMEL_UART_CTS 0x01 +#define ATMEL_UART_RTS 0x02 +#define ATMEL_UART_DSR 0x04 +#define ATMEL_UART_DTR 0x08 +#define ATMEL_UART_DCD 0x10 +#define ATMEL_UART_RI 0x20 + +extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins); +extern void __init at91_set_serial_console(unsigned portnr); + +struct at91_uart_config { + unsigned short console_tty; /* tty number of serial console */ + unsigned short nr_tty; /* number of serial tty's */ + short tty_map[]; /* map UART to tty number */ +}; +extern struct platform_device *atmel_default_console_device; +extern void __init __deprecated at91_init_serial(struct at91_uart_config *config); + +struct atmel_uart_data { + short use_dma_tx; /* use transmit DMA? */ + short use_dma_rx; /* use receive DMA? */ + void __iomem *regs; /* virtual base address, if any */ +}; +extern void __init at91_add_device_serial(void); + +/* + * SSC -- accessed through ssc_request(id). Drivers don't bind to SSC + * platform devices. Their SSC ID is part of their configuration data, + * along with information about which SSC signals they should use. + */ +#define ATMEL_SSC_TK 0x01 +#define ATMEL_SSC_TF 0x02 +#define ATMEL_SSC_TD 0x04 +#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD) + +#define ATMEL_SSC_RK 0x10 +#define ATMEL_SSC_RF 0x20 +#define ATMEL_SSC_RD 0x40 +#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD) + +extern void __init at91_add_device_ssc(unsigned id, unsigned pins); + + /* LCD Controller */ +struct atmel_lcdfb_info; +extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data); + + /* AC97 */ +struct atmel_ac97_data { + u8 reset_pin; /* reset */ +}; +extern void __init at91_add_device_ac97(struct atmel_ac97_data *data); + + /* ISI */ +extern void __init at91_add_device_isi(void); + + /* LEDs */ +extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); +extern void __init at91_gpio_leds(struct gpio_led *leds, int nr); + +/* FIXME: this needs a better location, but gets stuff building again */ +extern int at91_suspend_entering_slow_clock(void); + +#endif |